Abstract: An end cover assembly includes an end cover and a pressure relief member. The pressure relief member is provided in the end cover, and the pressure relief member is provided with an indentation groove. The pressure relief member is configured to crack along the indentation groove to release internal pressure of a battery cell when internal pressure or temperature of the battery cell reaches a threshold. Hardness of the pressure relief member is lower than hardness of the end cover.

Abstract: The present application provides an end cover assembly, a secondary battery, a battery module, a device, a liquid-injection method and a device thereof. The end cover assembly for the secondary battery includes: an end cover, provided with a through hole for injecting electrolyte, and including a connecting portion; a sealing assembly, configured to seal the through hole; a locking-fixing member, configured to be movable relative to the connecting portion in a radial direction of the through hole, so as to realize switching between a locked state and an unlocked state of the locking-fixing member and the connecting portion. In the locked state, the locking-fixing member presses against the sealing assembly to restrict the end cover to be separated from the sealing assembly; in the unlocked state, the end cover and the sealing assembly are separable to allow electrolyte to be injected from the through hole.

Abstract: An end cap includes a cap body and a reinforcing portion. The cap body is provided with a pressure relief region arranged on a side of the cap body in a protruding manner in a thickness direction. The reinforcing portion is arranged around the pressure relief region.

Abstract: Disclosed are a cluster quorum method and apparatus, an electronic device, and a computer-readable storage medium. The method includes: acquiring a historical election set, and obtaining a first node quantity and a power condition by using the historical election set; generating a quorum parameter by using the first node quantity according to the power condition; acquiring a current network topology, and judging whether the current network topology satisfies the quorum parameter; and if the current network topology satisfies the quorum parameter, providing a cluster service. According to the method, a new network topology after a failure is not required to include the majority of nodes in an original cluster, whereby the network topology can continue to work no matter a quantity of nodes in the network topology while data consistency is ensured, improving viability of the cluster.

Abstract: A refrigerator comprises: a refrigerator body having an open front side to define a first chamber; and a door body used to open or close the first chamber and defining a second chamber. The door body further defines a square annular air duct surrounding an outer side of the second chamber. The air duct comprises an air inlet section, two air supply sections and an air outlet section which are respectively located at an upper side, two transverse sides and a lower side of the second chamber. The air inlet section has an air inlet for intake of cold air. Each air supply section has an air supply portion for supplying the cold air to the second chamber. The air outlet section has an air outlet for discharging the remaining cold air in the air duct. The temperature in the chamber defined by the door body can be independently controlled.

Abstract: Provided is a pixel circuit configured to drive, in an Xth frame period, a light emitting device to emit light. The Xth frame period includes Y data writing stages and Z light emitting stages, in which a yth data writing stage includes a first sub-stage to a third sub-stage. The pixel circuit includes: a driving transistor; a first reset module configured to transmit, in the first sub-stage, a first initialization signal to the driving transistor in response to a first scanning signal; a gating module configured to perform, in the second sub-stage, a threshold compensation on the driving transistor in response to a second scanning signal; and an input module configured to transmit, in the third sub-stage, a data signal to the driving transistor in response to a third scanning signal. X, Y, Z and y are positive integers, y?Y, and Y>Z.

Abstract: Provided are a compound having the structure of formula (I) for inhibiting Wnt pathway activity, a pharmaceutical composition comprising the compound, and use of the compound in prevention and/or treatment of cancers, tumors, inflammatory diseases, autoimmune diseases, or immune-mediated diseases.

Abstract: A circuit for receiving signals from a photodetector array arranged to detect signals generated by a crystal includes a plurality of summing circuits having weighting circuits, the summing circuits being configured to produce outputs corresponding to a total energy of the signals, a position of the signals in a first dimension of the photodetector array, a position of the signals in a second dimension of the photodetector array, and a radius of a charge distribution of the signals.

Abstract: A device and a method for ultrasonic detecting a mechanical member based on magnetic fluid coupling. The device comprises a magnetic field generating apparatus, magnetic fluid and an ultrasonic probe. The magnetic field generating apparatus has a cylindrical structure, into which the magnetic fluid is injected, where an upper portion of the apparatus is provided with the ultrasonic probe a front end that vertically extends into a liquid level of the magnetic fluid, and a bottom portion of the apparatus covers a detected position of a member under detection. The magnetic fluid at least contains magnetic suspension particles and oil-based or water-based liquid. With the device and the method, the ultrasonic probe is coupled with the member under detection to realize ultrasonic detecting of the service stress of the member under detection.

Abstract: A method of normalizing detector elements in an imaging system is described herein. The method includes a line source that is easier to handle for a user, and decouples the normalization of the detector elements into a transaxial domain and an axial domain in order to isolate errors due to positioning of the line source. Additional simulations are performed to augment the real scanner normalization. A simulation of a simulated line source closely matching the real line source can be performed to isolate errors due to physical properties of the crystals and position of the crystals in the system, wherein the simulated detector crystals are otherwise modeled uniformly. A simulation of a simulated cylinder source can be performed to determine errors due to other effects stemming from gaps between the detector crystals.

Abstract: A communication apparatus and an electronic device for implementing multi-carrier aggregation are provided. The communication apparatus includes a transceiver and an antenna array. The transceiver is coupled to a plurality of radio frequency channels, and the plurality of radio frequency channels are coupled to all antenna units in the antenna array in a one-to-one manner. Each of the plurality of radio frequency channels includes a phase shifter, and the phase shifter is configured to set a phase of a radio frequency signal transmitted in the radio frequency channel. The antenna array includes a plurality of first antenna units and a plurality of second antenna units. The plurality of first antenna units are configured to transmit a plurality of radio frequency signals of a first band, to form a first carrier signal pointing to a first direction.

Abstract: An intake manifold for an engine includes a premixing chamber, a pressure stabilizing chamber, and multiple intake passages. The intake passages are connected with a bottom of the pressure stabilizing chamber. A first end of the premixing chamber includes an intake end having an air inlet. A second end of the premixing chamber is communicated with the pressure stabilizing chamber and is close to a top of the pressure stabilizing chamber. An exhaust gas inlet is disposed on the premixing chamber and close to the air inlet. The engine includes an engine body and the intake manifold for the engine. The vehicle includes a vehicle body and the engine.

Abstract: A drag reduction device includes a first part and a second part. The first part is attached to the second part, and the second part is detachably attached to a body. The first part is made of a flexible material and configured to be able to change its shape under the action of a flow field. According to this application, through providing the drag reduction device on the body in need of drag reduction by detachably attaching the drag reduction device to the body, the need to modify the shape of the body itself is dispensed with. According to this application, the drag reduction device is very simple in structure and easy to assemble and disassemble, almost does not add weight to the body and has very low cost. According to this application, the drag reduction device is able to change its shape without consuming energy at all. Moreover, under different flow field conditions, it can assume different shapes that adapt it to the flow field conditions.

Abstract: A refrigerator having a storage space formed on a door body. The refrigerator comprises: a refrigerator body in which at least a first storage space is defined, the first storage space having a forward opening; an inner-layer door pivotally provided on the front portion of the forward opening and comprising a storage container body defining a second storage space, the side of the storage container body facing the forward opening being provided with an air supply port used for introducing low-temperature air in the first storage space into the second storage space; a sterilization module provided at the air supply port and performing sterilization on passing air; an inner-layer door frame provided on the periphery of the storage container body; and an outer-layer door pivotally provided on the side of the inner-layer door frame away from the refrigerator body.

Abstract: A method and system for advanced detection and optimization of tunnel resistivity based on depth resolution.

Abstract: An apparatus that comprises a plurality of memory cells and a control circuit coupled to the plurality of memory cells is disclosed. The control circuit is configured to perform a read operation. The read operation includes determining a read condition of a memory cell, where the read condition is of a plurality of read conditions and determining a boost timing for the memory cell, where the boost timing corresponds to the read condition.

Abstract: The present application relates to the technical field of battery, and in particular, to a battery cell, a battery, and an electrical device. The battery cell may include an adapter, the adapter may be formed by connecting a first adapter portion and a second adapter portion by a first insulating portion, and the first insulating portion may be located between the first adapter portion and the second adapter portion to prevent the first adapter portion and the second adapter portion from being electrically connected.

Abstract: This application relates to a conveyor and a baking device. A traction rope may bring an electrode plate to move in a transport space. The traction rope may be of high flexibility and can more smoothly bring the electrode plate to move in various complex environments such as an arcuate oven, thereby effectively avoiding derailment or jamming of the conveyor in the oven and conveying the electrode plate more smoothly in the oven.

Abstract: A dustproof member includes a base plate, a dustproof plate, and a connecting portion. A first through hole is defined by an inner surface of the base plate. A second through hole is defined by an inner surface of the dustproof plate. The connecting portion has a shape of a hollow barrel and defines a hollow cavity. Two opposite ends of the connecting portion are respectively connected to an end of the inner surface of the base plate and an end of the inner surface of the dustproof plate, thereby forming a dust collecting groove between the base plate and the dustproof plate. A camera module having the dustproof member and an electronic device having the camera module are also provided.

Abstract: A device including a gate stack over a semiconductor substrate having a pair of spacers abutting sidewalls of the gate stack. A recess is formed in the semiconductor substrate adjacent the gate stack. The recess has a first profile having substantially vertical sidewalls and a second profile contiguous with and below the first profile. The first and second profiles provide a bottle-neck shaped profile of the recess in the semiconductor substrate, the second profile having a greater width within the semiconductor substrate than the first profile. The recess is filled with a semiconductor material. A pair of spacers are disposed overly the semiconductor substrate adjacent the recess.